Home / 3,509.28-4,839.84-2,577.60

Finding the Fourth Proportional to 3,509.28, 4,839.84 and 2,577.60

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Solution

The fourth proportional to 3,509.28, 4,839.84 and 2,577.60 is: 3,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.28 : 4,839.84 = 2,577.60 : x
  2. Step 2: Convert to fraction form
    3,509.28/4,839.84 = 2,577.60/x
  3. Step 3: Cross multiply
    3,509.28x = 4,839.84 × 2,577.60
  4. Step 4: Simplify right side
    3,509.28x = 12,475,171.58
  5. Step 5: Solve for x
    x = 12,475,171.58/3,509.28
  6. Step 6: Final answer
    x = 3,554.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.